219038360

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{17837}}^1$

素因数の和:18155

約数の個数: 32

約数和(自身を含む): 494469360

約数和(自身を除く): 275431000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 17837, 35674, 71348, 89185, 142696, 178370, 356740, 713480, 5475959, 10951918, 21903836, 27379795, 43807672, 54759590, 109519180, 219038360]

約数ペア:

[(1, 219038360), (2, 109519180), (4, 54759590), (5, 43807672), (8, 27379795), (10, 21903836), (20, 10951918), (40, 5475959), (307, 713480), (614, 356740), (1228, 178370), (1535, 142696), (2456, 89185), (3070, 71348), (6140, 35674), (12280, 17837)]